White or almost white powder; hygroscopic. this product is soluble in water. Specific rotation of this product, accurately weighed, dissolved in water and diluted per 1ml solution containing 2.5mg, according to agarose gel electrophoresis test for the test than the migration and standards are obvious spots distance is 0.9 to 1.1.

Function 

1. the treatment of various diseases concurrent disseminated intravascular coagulation early. 
2. Prevention of arterial and venous thrombosis and pulmonary embolism.
3. Treatment of arterial and venous thrombosis and pulmonary embolism, ischemic stroke, unstable angina (to alleviate the symptoms, prevention of myocardial infarction), acute myocardial infarction (prevention of early reinfarction and infarct extension, reduce mortality).
4. the artificial lung, peritoneal dialysis or hemodialysis as anticoagulants.
5. Thrombolytic therapy as maintenance therapy.
6. Used for the prevention of blood coagulation and blood bank transfusion of blood and other body save.